Activities and factsheets exploring ratios and proportions in everyday life. Interactive, colorful, and fun.

The Math Page tutorial explains and defines ratio and proportion and includes this practice section at the end of the lesson.

[Free Registration/Login may be required to access all resource tools.] Learn how to use ratios and proportions to solve problems.

Provides examples and a video lesson that explains ratios and proportions and shows how to solve them.

This site contains a lesson about ratios and unit rates as well as guided and independent practice for students to review the skills.

Discover how percents and proportions help explain issues like climate change, composting, and zero waste in this video from KQED. In the accompanying classroom activity, students estimate the percentage of various types of trash that...

[Free Registration/Login may be required to access all resource tools.] In this lesson students write proportions and then solve proportions by using cross-products. Students examine guided notes, review guided practice, watch...

Double ratios are investigated in this mathematics resource. Students learn about double ratios through a lesson with examples and assess their understanding with a learning game.

[Free Registration/Login may be required to access all resource tools.] In this lesson students write proportions and then solve proportions by using equivalent rates. Students examine guided notes, review guided practice, watch...

An interactive simulation that teaches about ratios, proportional reasoning, and unit rate by making predictions and testing proportions while designing a necklace, throwing balloons filled with paint, playing billiards, or shopping for...

Seventh graders use ratio cards to find equivalencies and form partnerships for the week. As a class, 7th graders discuss and decide on classroom norms. Give each student a ratio card. Instruct students to find a classmate whose card has...

At the end of this lesson about ratio/proportion, students will be able to recognize and apply ratios and proportions to solve real-life problems and solve for any unknown component.

[Free Registration/Login may be required to access all resource tools.] In this lesson students write ratios to model real-world scenarios. Students examine guided notes, review guided practice, watch instructional videos and attempt...

[Free Registration/Login may be required to access all resource tools.] In this lesson students use proportions to find percents. Students examine guided notes, review guided practice, watch instructional videos and attempt practice...

[Free Registration/Login may be required to access all resource tools.] In this lesson students simplify ratios by dividing by the greatest common factor. Students examine guided notes, review guided practice, watch instructional videos...

[Free Registration/Login may be required to access all resource tools.] In this lesson students write ratios in simplest form. Students examine guided notes, review guided practice, watch instructional videos and attempt practice problems.

Using a tape diagram is one of the key models for ratios and proportions.

This lesson explains proportions along with the formula to determine if the ratios are equal. An interactive practice activity is included.

[Free Registration/Login may be required to access all resource tools.] In this lesson students write ratios, order ratios from least to greatest and greatest to least and compare ratio. Students examine guided notes, review guided...

Young scholars learn about proportions using regular and souvenir baseball bats. This site contains a complete lesson plan, which is available in a printable version.

Students "go fishing" and use proportions to learn how estimating is used to determine the size of a population.

In this lesson, students create a class mural by using scale, ratio, and proportion. Media resources and teacher materials are included.

A lesson plan that includes a PowerPoint learning module for students. They will examine spreadsheet data on air quality in Great Smoky National Parks, and solve problems using ratio and proportion. The exercises will help them to...

[Free Registration/Login may be required to access all resource tools.] Convert ratios to rates and then compare the rates.